--- a/js/src/jsemit.cpp
+++ b/js/src/jsemit.cpp
@@ -6755,16 +6755,20 @@ js_EmitTree(JSContext *cx, JSCodeGenerat
             return JS_FALSE;
         break;
       }
 
       case TOK_XMLNAME:
         if (pn->pn_arity == PN_LIST) {
             JS_ASSERT(pn->pn_count != 0);
             for (pn2 = pn->pn_head; pn2; pn2 = pn2->pn_next) {
+                if (pn2->pn_type == TOK_LC &&
+                    js_Emit1(cx, cg, JSOP_STARTXMLEXPR) < 0) {
+                    return JS_FALSE;
+                }
                 if (!js_EmitTree(cx, cg, pn2))
                     return JS_FALSE;
                 if (pn2 != pn->pn_head && js_Emit1(cx, cg, JSOP_ADD) < 0)
                     return JS_FALSE;
             }
         } else {
             JS_ASSERT(pn->pn_arity == PN_NULLARY);
             ok = (pn->pn_op == JSOP_OBJECT)